Nvidia GeForce RTX 4090 Mobile
Nvidia GeForce RTX 5090
VS
Nvidia GeForce RTX 3080 Ti vs Nvidia GeForce RTX 4090 Mobile
Updated Nov 2026 · Scored by the Let’s Compare Data Engine · How we score
Verdict
Key takeaways
- Nvidia GeForce RTX 4090 Mobile and Nvidia GeForce RTX 3080 Ti are closely matched overall (within 3 points).
- Key differences: performance (FP32), where Nvidia GeForce RTX 4090 Mobile has 50.1 vs 34.1 TFLOPS; capacity, where Nvidia GeForce RTX 4090 Mobile has 16 GB vs 12 GB; bandwidth, where Nvidia GeForce RTX 3080 Ti has 912 vs 576 GB/s; performance (FP16), where Nvidia GeForce RTX 4090 Mobile has 50.1 vs 34.099 TFLOPS; maximum power, where Nvidia GeForce RTX 4090 Mobile has 150 vs 350 W.
Nvidia GeForce RTX 4090 Mobile and Nvidia GeForce RTX 3080 Ti are closely matched
Nvidia GeForce RTX 4090 Mobile · #24 of 156
68
Nvidia GeForce RTX 3080 Ti · #21 of 156
65
Key differences
- PerformanceNvidia GeForce RTX 4090 Mobile 50.1 vs 34.1 TFLOPS
- CapacityNvidia GeForce RTX 4090 Mobile 16 GB vs 12 GB
- BandwidthNvidia GeForce RTX 3080 Ti 912 vs 576 GB/s
- PerformanceNvidia GeForce RTX 4090 Mobile 50.1 vs 34.099 TFLOPS
- Maximum PowerNvidia GeForce RTX 4090 Mobile 150 vs 350 W
Scores by Category
GeForce RTX 4090 Mobile wins 2 of 6 categories · GeForce RTX 3080 Ti wins 1
| Category | GeForce RTX 3080 TiGeForce RTX 4090 Mobile | Lead |
|---|---|---|
| Benchmark | Tie | |
| Theoretical Performance | +18 | |
| Memory | Tie | |
| Miscellaneous | +55 | |
| Core Specifications | +67 | |
| API Support | Tie |
Value for Money
Launch prices — enter today's prices (same currency for both).
GeForce RTX 3080 Ti
GeForce RTX 4090 Mobile
Detailed Specifications
Core Specifications
| Feature | GeForce RTX 3080 Ti | GeForce RTX 4090 Mobile |
|---|---|---|
Base Power | N/A | 80 W |
Maximum Power | 350 W | 150 W57% less |
Lithography Process | 8 nm | 5 nm38% less |
Memory
| Feature | GeForce RTX 3080 Ti | GeForce RTX 4090 Mobile |
|---|---|---|
Capacity | 12 GB | 16 GB33% more |
Technology | ||
Bandwidth | 912 GB/s58% more | 576 GB/s |
API Support
| Feature | GeForce RTX 3080 Ti | GeForce RTX 4090 Mobile |
|---|---|---|
DirectX Version | 12 | 12 |
Vulkan Version | 1.4 | 1.4 |
Theoretical Performance
| Feature | GeForce RTX 3080 Ti | GeForce RTX 4090 Mobile |
|---|---|---|
Performance (FP16) | 34.099 TFLOPS | 50.1 TFLOPS47% more |
Performance (FP32) | 34.1 TFLOPS | 50.1 TFLOPS47% more |
Benchmark
| Feature | GeForce RTX 3080 Ti | GeForce RTX 4090 Mobile |
|---|---|---|
G3D Mark | 26,645 | 27,030 |
Miscellaneous
| Feature | GeForce RTX 3080 Ti | GeForce RTX 4090 Mobile |
|---|---|---|
Platform |
Specification Note
Specifications are compiled from official manufacturer data and other reliable internet sources. Some features may vary by region or model configuration.
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